Up to £70 cashback
Get cashback

Three Stats

120
Voucher uses
(26 reviews)
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Three Vouchers & Cashback 2020

Updated December 3, 2020
Getting the best mobile, broadband and SIM plan for your home and handsets is easy with Three! Browse our Three vouchers and Three discount codes for extra savings.
Cashback Rates
£60 cashback
for the unlimited data 12 month SIM plan for £18 per month
6 uses today
Get cashback
£30 cashback
for 12GB for £8 12 month SIM plan
2 uses today
Get cashback
£20 cashback
for the 1GB data 12 month SIM plan for £5 per month
2 uses today
Get cashback
£70 cashback
for Huawei AI Cube with unlimited data on a 24 month contract for £25 per month
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£50 cashback
for mobile broadband SIM 24 month plans with 2GB, 5GB, or 10GB of data
Get cashback
£50 cashback
for mobile broadband SIM 12 month plans with 1GB - 20GB of data
Get cashback
£15 cashback
for mobile broadband SIM 1 month plans with 2GB - 100GB of data
Get cashback
£60 cashback
for Huawei B535 mobile broadband device with unlimited data, 24 month contract for £22 per month
Get cashback
£70 cashback
for Huawei AI Cube with unlimited data on a 12 month contract for £32 per month and £49 upfront
Get cashback
£60 cashback
for Huawei B535 mobile broadband device with unlimited data, 12 month contract for £27 per month and £29 upfront
Get cashback
£15 cashback
for Pay As You Go Handsets
Get cashback
£65 cashback
for contract handset on-site offers
Get cashback
£30 cashback
for the 8GB data 12 month SIM plan for £8 per month
Get cashback
£25 cashback
for 4GB for £6 12 month SIM plan
Get cashback
£60 cashback
for the 30GB data 12 month SIM plan for £15 per month
Get cashback
£15 cashback
for the unlimited 1 month SIM plan for £24 per month
Get cashback
£67.50 cashback
iPhone 12 mini 100GB data, £19 upfront cost and £42 monthly
Get cashback
£67.50 cashback
iPhone 12 100GB data, £29 upfront cost and £45 monthly
Get cashback
£67.50 cashback
iPhone 12 Pro 100GB data, £49 upfront cost and £55 monthly
Get cashback
£67.50 cashback
iPhone 12 Pro Max with 100GB data, £79 upfront cost and £59 monthly
Get cashback
£67.50 cashback
for Samsung Galaxy S20, 100GB data, £29 upfront cost and £32 monthly
Get cashback
£67.50 cashback
for Samsung Galaxy S20, 100GB data, £29 upfront cost and £38 monthly
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£67.50 cashback
for Samsung Galaxy S20 5G, 100GB data, £29 upfront cost with £36 monthly
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£67.50 cashback
for Samsung Galaxy S20+ 5G, 100GB data, £49 upfront cost and £43 monthly
Get cashback
£67.50 cashback
for Samsung Galaxy A51, 100GB data, £19 upfront cost and £23 monthly
Get cashback
£67.50 cashback
for Apple iPhone SE, 30GB data, £19 upfront cost and £29 monthly
Get cashback
£67.50 cashback
for Samsung Galaxy A71, 100GB data, £29 upfront cost and £27 monthly
Get cashback
£67.50 cashback
for Huawei P30 Pro, 100GB data, £29 upfront cost and £29 monthly
Get cashback
£67.50 cashback
for Apple iPhone 11 Pro, 100GB data, £49 upfront cost and £49 monthly
Get cashback
£67.50 cashback
for Apple iPhone SE, 100GB data, £29 upfront cost and £29 monthly
Get cashback
£67.50 cashback
for OnePlus 8, 100GB data, £29 upfront cost and £39 monthly
Get cashback
£67.50 cashback
for OnePlus 8 Pro, 100GB data, £39 upfront cost and £49 monthly
Get cashback
£67.50 cashback
for OnePlus Nord, 100GB data, £29 upfront cost and £34 monthly
Get cashback
£50 cashback
for Apple iPad 7th Generation, 100GB data, 24 month contract for £39 per month with £49 upfront cost
Get cashback
£50 cashback
for Samsung Galaxy Tab A 10.1 2019, 100GB data, 24 month contract for £27 per month
Get cashback
£60 cashback
for the Huawei 4G Mobile WiFi with unlimited data for £22 per month
Get cashback
£50 cashback
for Huawei E5573bs-322 4G Mobile Wi-Fi, 40GB data, 24 month contract for £13 per month
Get cashback
£50 cashback
for Huawei MediaPad T5, 100GB data, 24 month contract for £25 per month
Get cashback
£50 cashback
for Apple iPad Pro 11, 40GB data, 24 month contract for £48 per month with £49 upfront cost
Get cashback
  • £60 cashback
    for the unlimited data 12 month SIM plan for £18 per month
    6 uses today
    Get cashback
  • £30 cashback
    for 12GB for £8 12 month SIM plan
    2 uses today
    Get cashback
  • £20 cashback
    for the 1GB data 12 month SIM plan for £5 per month
    2 uses today
    Get cashback
  • £70 cashback
    for Huawei AI Cube with unlimited data on a 24 month contract for £25 per month
    Get cashback
  • £50 cashback
    for mobile broadband SIM 24 month plans with 2GB, 5GB, or 10GB of data
    Get cashback
  • £50 cashback
    for mobile broadband SIM 12 month plans with 1GB - 20GB of data
    Get cashback
  • £15 cashback
    for mobile broadband SIM 1 month plans with 2GB - 100GB of data
    Get cashback
  • £60 cashback
    for Huawei B535 mobile broadband device with unlimited data, 24 month contract for £22 per month
    Get cashback
  • £70 cashback
    for Huawei AI Cube with unlimited data on a 12 month contract for £32 per month and £49 upfront
    Get cashback
  • £60 cashback
    for Huawei B535 mobile broadband device with unlimited data, 12 month contract for £27 per month and £29 upfront
    Get cashback
  • £15 cashback
    for Pay As You Go Handsets
    Get cashback
  • £65 cashback
    for contract handset on-site offers
    Get cashback
  • £30 cashback
    for the 8GB data 12 month SIM plan for £8 per month
    Get cashback
  • £25 cashback
    for 4GB for £6 12 month SIM plan
    Get cashback
  • £60 cashback
    for the 30GB data 12 month SIM plan for £15 per month
    Get cashback
  • £15 cashback
    for the unlimited 1 month SIM plan for £24 per month
    Get cashback
  • £67.50 cashback
    iPhone 12 mini 100GB data, £19 upfront cost and £42 monthly
    Get cashback
  • £67.50 cashback
    iPhone 12 100GB data, £29 upfront cost and £45 monthly
    Get cashback
  • £67.50 cashback
    iPhone 12 Pro 100GB data, £49 upfront cost and £55 monthly
    Get cashback
  • £67.50 cashback
    iPhone 12 Pro Max with 100GB data, £79 upfront cost and £59 monthly
    Get cashback
  • £67.50 cashback
    for Samsung Galaxy S20, 100GB data, £29 upfront cost and £32 monthly
    Get cashback
  • £67.50 cashback
    for Samsung Galaxy S20, 100GB data, £29 upfront cost and £38 monthly
    Get cashback
  • £67.50 cashback
    for Samsung Galaxy S20 5G, 100GB data, £29 upfront cost with £36 monthly
    Get cashback
  • £67.50 cashback
    for Samsung Galaxy S20+ 5G, 100GB data, £49 upfront cost and £43 monthly
    Get cashback
  • £67.50 cashback
    for Samsung Galaxy A51, 100GB data, £19 upfront cost and £23 monthly
    Get cashback
  • £67.50 cashback
    for Apple iPhone SE, 30GB data, £19 upfront cost and £29 monthly
    Get cashback
  • £67.50 cashback
    for Samsung Galaxy A71, 100GB data, £29 upfront cost and £27 monthly
    Get cashback
  • £67.50 cashback
    for Huawei P30 Pro, 100GB data, £29 upfront cost and £29 monthly
    Get cashback
  • £67.50 cashback
    for Apple iPhone 11 Pro, 100GB data, £49 upfront cost and £49 monthly
    Get cashback
  • £67.50 cashback
    for Apple iPhone SE, 100GB data, £29 upfront cost and £29 monthly
    Get cashback
  • £67.50 cashback
    for OnePlus 8, 100GB data, £29 upfront cost and £39 monthly
    Get cashback
  • £67.50 cashback
    for OnePlus 8 Pro, 100GB data, £39 upfront cost and £49 monthly
    Get cashback
  • £67.50 cashback
    for OnePlus Nord, 100GB data, £29 upfront cost and £34 monthly
    Get cashback
  • £50 cashback
    for Apple iPad 7th Generation, 100GB data, 24 month contract for £39 per month with £49 upfront cost
    Get cashback
  • £50 cashback
    for Samsung Galaxy Tab A 10.1 2019, 100GB data, 24 month contract for £27 per month
    Get cashback
  • £60 cashback
    for the Huawei 4G Mobile WiFi with unlimited data for £22 per month
    Get cashback
  • £50 cashback
    for Huawei E5573bs-322 4G Mobile Wi-Fi, 40GB data, 24 month contract for £13 per month
    Get cashback
  • £50 cashback
    for Huawei MediaPad T5, 100GB data, 24 month contract for £25 per month
    Get cashback
  • £50 cashback
    for Apple iPad Pro 11, 40GB data, 24 month contract for £48 per month with £49 upfront cost
    Get cashback
PreviousNext

50%
OFF
49 uses today

10-50% off SIM Only plans for existing customers

Browse these Three SIM only plans for savings up to 50% select offers
Get Deal
50% Off
49 uses today

10-50% off SIM Only plans for existing customers

Get Deal
Browse these Three SIM only plans for savings up to 50% select offers

50%
OFF
10 uses today

Student Discount: Free gift plus 50% off select plans for 6 months

Enjoy these Three mobile, tablet, and smart tech offers for students and score free gifts plus 50% off for the first 6 months!
Get Deal
50% Off
10 uses today

Student Discount: Free gift plus 50% off select plans for 6 months

Get Deal
Enjoy these Three mobile, tablet, and smart tech offers for students and score free gifts plus 50% off for the first 6 months!

£80
OFF
5 uses today

Up to £80 off in cash rewards when you refer a friend

Invite your friends and family to get up to £80 off when they sign up for a monthly Three mobile phone, as well as £40 off with SIM only plans and mobile broadband. Grab everyone you know and start saving together!
Get Deal
£80 Off
5 uses today

Up to £80 off in cash rewards when you refer a friend

Get Deal
Invite your friends and family to get up to £80 off when they sign up for a monthly Three mobile phone, as well as £40 off with SIM only plans and mobile broadband. Grab everyone you know and start saving together!

50%
OFF
7 uses today

50% off the first 6 months when you pre-order the Apple iPhone 12 Pro Max

Get Deal
50% Off
7 uses today

50% off the first 6 months when you pre-order the Apple iPhone 12 Pro Max

Get Deal

50%
OFF
3 uses today

Pre-order the Apple iPhone 12 mini and get the first 6 months 50% off

Get Deal
50% Off
3 uses today

Pre-order the Apple iPhone 12 mini and get the first 6 months 50% off

Get Deal

FREE
SIM
4 uses today

Free SIM with Pay As You Go mobile plans

Get Deal
Free SIM
4 uses today

Free SIM with Pay As You Go mobile plans

Get Deal

£20
3 uses today

50GB data pack for £20

Get Deal
£20
3 uses today

50GB data pack for £20

Get Deal

FREE
GIFT
5 uses today

Free Alexa dock included with the Lenovo Smart Tab M10

Get Deal
Free Gift
5 uses today

Free Alexa dock included with the Lenovo Smart Tab M10

Get Deal

TOP UP
7 uses today

Top up your phone here

Three top up right here! Stay safe and do it from the comfort of your own home.
Get Deal
Top Up
7 uses today

Top up your phone here

Get Deal
Three top up right here! Stay safe and do it from the comfort of your own home.

FREE
GB
3 uses today

20GB for the price of 2GB plus 12 months free Apple TV+ with select tablets

Get Deal
Free GB
3 uses today

20GB for the price of 2GB plus 12 months free Apple TV+ with select tablets

Get Deal

FREE
GIFT
3 uses today

Apple TV+ free for a year with select home broadband plans

Get Deal
Free Gift
3 uses today

Apple TV+ free for a year with select home broadband plans

Get Deal

50%
OFF
3 uses today

Bundle the Samsung Galaxy Note 20 Ultra 5G with Buds Live for £40.50 a month (50% off)

Get Deal
50% Off
3 uses today

Bundle the Samsung Galaxy Note 20 Ultra 5G with Buds Live for £40.50 a month (50% off)

Get Deal

FREE
APP
3 uses today

Free app for easy control

Download the Three app for free and manage your account from the tip of your fingers.
Get Deal
Free App
3 uses today

Free app for easy control

Get Deal
Download the Three app for free and manage your account from the tip of your fingers.

50%
OFF
3 uses today

50% off the unlimited data plan on the Samsung Galaxy Note20 for 6 months

Check out this Three mobile deal on the Samsung Galaxy Note20 to take 50% off the unlimited data plan for the first 6 months of your contract. Don't miss out on these savings!
Get Deal
50% Off
3 uses today

50% off the unlimited data plan on the Samsung Galaxy Note20 for 6 months

Get Deal
Check out this Three mobile deal on the Samsung Galaxy Note20 to take 50% off the unlimited data plan for the first 6 months of your contract. Don't miss out on these savings!

FREE
DELIVERY
3 uses today

Free delivery on all your orders

Get Deal
Free Delivery
3 uses today

Free delivery on all your orders

Get Deal

FROM
£5
3 uses today

Data add-ons starting from £5

Get Deal
From £5
3 uses today

Data add-ons starting from £5

Get Deal

£5
3 uses today

New 1GB SIM for £5 includes unlimited calls and texts

Get Deal
£5
3 uses today

New 1GB SIM for £5 includes unlimited calls and texts

Get Deal

FROM
£22
3 uses today

4G & 5G home broadband plans starting from £22

Get Deal
From £22
3 uses today

4G & 5G home broadband plans starting from £22

Get Deal
Popular Expired Three Discount Codes

50%
OFF
2 uses today

Extra 50% off SIM Only plan with unlimited data fo the first 6 months

Save half price right now with this Three SIM Only offer!
50% Off
2 uses today

Extra 50% off SIM Only plan with unlimited data fo the first 6 months

Save half price right now with this Three SIM Only offer!

50%
OFF
5 uses today

Black Friday Sale: 50% off for the first 6 months plus free AirPods with the Apple iPhone 12

50% Off
5 uses today

Black Friday Sale: 50% off for the first 6 months plus free AirPods with the Apple iPhone 12

£18
2 uses today

100GB for £18 per month with this SIM Only Offer

Catch this Three SIM Only deal and get 100GB for £18!
£18
2 uses today

100GB for £18 per month with this SIM Only Offer

Catch this Three SIM Only deal and get 100GB for £18!
Up to £70 cashback
Get cashback

Three Stats

120
Voucher uses
(26 reviews)
Thank you for your vote!

Popular Retailers

eBay
Argos
Amazon
Currys
Debenhams
ASOS
Boohoo
Wayfair

Retailers Related to Three

O2
Vodafone
Mobiles.co.uk
EE
Affordable Mobiles
Carphone Warehouse
Tesco Mobile
Mobile Phones Direct

FAQs with


How do you get the best discount at Three?

The best discounts, deals, and voucher codes can always be found right here at Quidco! You can also browse their exclusive customer offers page, join their mailing list for news about upcoming sales, and choose one of their plan bundles to cut down the cost of your next device!


Does Three do a student discount?

You don't have to sacrifice great cell service when you're on a tight student budget! With a valid academic ID, you can enjoy six months of service at half-price, as well as a free explorer backpack and wireless headphones. Just head to their website for more information on how to save!